 <Config>
    <PeoplePicker><add key="fbaMembers" value="%" /></PeoplePicker>
    <SqlConnection><add name=" fbaSQL" connectionString="server=yourSqlServer;database=aspnetdb;Trusted_Connection=true" /></SqlConnection>
    <Membership><add connectionStringName="fbaSQL" applicationName="/"
      name="fbaMembers" 
      type="System.Web.Security.SqlMembershipProvider, System.Web,
      Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /></Membership>
    <Role><add connectionStringName="fbaSQL" applicationName="/"
      name="fbaRoles" type="System.Web.Security.SqlRoleProvider, System.Web,
      Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/></Role>
 </Config>